APA (7. basım) Alıntı

Higgins, E. E. (1967). College and university enrollment and physical facilities survey, 1965-70. s.n.

Chicago Style (17. basım) Atıf

Higgins, Elmer Eugene. College and University Enrollment and Physical Facilities Survey, 1965-70. [Washington: s.n, 1967.

MLA (9th ed.) Atıf

Higgins, Elmer Eugene. College and University Enrollment and Physical Facilities Survey, 1965-70. s.n, 1967.